<template>
  <div class="app-container">
    <!-- 表格-条件筛区域  -->
    <div class="filter-container">
      <el-input placeholder="请输入标题" v-model="searchParam.SEARCH_LIKE_title" style="width: 200px;"
                class="filter-item" @keyup.enter.native="handleFilter"/>
      <el-button class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter"> 搜索</el-button>
      <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-plus"
                 @click="handleCreate"> 新增
      </el-button>
    </div>

    <!-- 表格-内容区域 -->
    <el-table v-loading="listLoading" :key="tableKey" :data="tableList" border fit highlight-current-row
              style="width: 100%;">
      <el-table-column v-for="column in columns" :key="column.prop"
                       :prop="column.prop"
                       :label="column.label"
                       :width="column.width"
                       :align="column.align?column.align:'center'"
                       :min-width="column.minWidth"
                       :sortable="column.sortable"
                       :fixed="column.fixed"
                       :type="column.type" :formatter="column.formatter">
        <template slot-scope="scope">
          <img v-if="column.imgFlag===true"
               :src="scope.row[column.prop].indexOf('http') >-1 ?  scope.row[column.prop] : ( CMBASE.baseFileContext + scope.row[column.prop] ) "
               width="150" height="100" class="img"/>
          <!-- 行内显示开关按钮 -->
          <el-switch v-else-if="column.switchFlag==true" v-model="scope.row[column.prop]" :active-value="1"
                     :inactive-value="0" disabled/>
          <!-- 行内显示tag标签 -->
          <span v-else-if="column.tagFlag==true">
                        <span v-for="item in column.tagFormatter" :key="item.value">
                            <el-tag v-if="item.value==scope.row[column.prop]" :type="item.type">{{ item.text }}</el-tag>
                        </span>
                    </span>
          <!-- 行内格式自定义 -->
          <span v-else-if="column.formatter"> {{ column.formatter(scope.row) }}</span>
          <!--默认显示文本-->
          <span v-else>{{ scope.row[column.prop] }}</span>
        </template>
      </el-table-column>

      <el-table-column label="操作" align="center" width="240" class-name="small-padding">
        <template slot-scope="scope">
          <el-button type="text" icon="el-icon-edit" class="el-button--primary" @click="handleUpdate(scope.row)"> 编辑
          </el-button>
          <el-button type="text" icon="el-icon-delete" class="el-button--danger" @click="handleDelete(scope.row)">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 表格-页脚区域 -->
    <pagination v-show="tableTotal>0" :total="tableTotal" :page.sync="pageRequest.pageNum"
                :limit.sync="pageRequest.pageSize" @pagination="getList"/>

    <!--新增编辑界面-->
    <el-dialog :title="operation?'新增':'编辑'" width="45%" top="5vh" :visible.sync="dialogFormVisible"
               :close-on-click-modal="false">
      <el-form :model="dataForm" label-width="140px" :rules="dataFormRules" ref="dataForm" style="width: 80%">

        <el-form-item label="标题" prop="title">
          <el-input v-model="dataForm.title" auto-complete="off" placeholder="请输入标题"/>
        </el-form-item>
        <el-form-item label="轮播图(PC)" prop="bannerImg">
          <cm-upload v-model="dataForm.bannerImg"></cm-upload>
          <p style="color: red">1920px * 522px</P>
        </el-form-item>
        <el-form-item label="轮播图(Mobile)" prop="bannerImgMobile">
          <cm-upload v-model="dataForm.bannerImgMobile"></cm-upload>
          <p style="color: red">750px * 400px</P>
        </el-form-item>
        <el-form-item label="展示位置" prop="location">
          <el-select v-model="dataForm.location" placeholder="请选择展示位置">
            <el-option label="首页" :value="1"></el-option>
            <el-option label="考试" :value="2"></el-option>
            <el-option label="课程" :value="3"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="是否展示" prop="isShow">
          <el-switch v-model="dataForm.isShow" :active-value="1"
                     :inactive-value="0"></el-switch>
        </el-form-item>
        <el-form-item label="排序" prop="orderNo">
          <el-input-number v-model="dataForm.orderNo" :min="1"  label="排序"></el-input-number>
        </el-form-item>
<!--        <el-form-item label="类型" prop="type">-->
<!--          <el-select v-model="dataForm.type" placeholder="请选择类型">-->
<!--            <el-option label="轮播图" :value="1"></el-option>-->
<!--            <el-option label="广告图" :value="2"></el-option>-->
<!--          </el-select>-->
<!--        </el-form-item>-->
        <el-form-item label="跳转类型" prop="transType">
          <el-select v-model="dataForm.transType" placeholder="请选择跳转类型">
            <el-option label="无跳转" :value="0"></el-option>
            <el-option label="外链" :value="1"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="跳转参数" prop="transParam">
          <el-input v-model="dataForm.transParam" auto-complete="off" placeholder="请输入跳转参数"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="mini" @click.native="closeDialog()">取消</el-button>
        <el-button size="mini" @click.native="saveFormData()" :loading="editLoading" type="primary">提交</el-button>
      </div>
    </el-dialog>


  </div>
</template>
<script>
import Pagination from '@/components/Pagination' // 分页栏信息
import CmUpload from '@/components/CmUpload' // 上传图片组件引入
export default {
  name: 'banner',
  components: {
    Pagination,
    CmUpload,
  },
  directives: {},
  filters: {},
  data() {
    return {
      tableKey: 0,
      tableList: [],//表格数据源
      tableTotal: 0,//表格总条数数据
      listLoading: true,
      pageRequest: {pageNum: 1, pageSize: 10,},
      searchParam: {},
      dialogFormVisible: false,//默认不显示弹出框
      operation: true, // true:新增, false:编辑
      editLoading: false,//保存表单时loading框
      columns: [
        {prop: 'title', label: '标题', sortable: false},
        {prop: 'bannerImg', label: '轮播图', sortable: false, imgFlag: true, width: 200},
        {
          prop: 'location', label: '展示位置', sortable: false, tagFlag: true,
          tagFormatter: [
            {text: '首页', value: 1, type: 'success'},
            {text: '考试', value: 2, type: 'success'},
            {text: '课程', value: 3, type: 'success'}
          ]
        },
        // {
        //   prop: 'type', label: '类型', sortable: false, tagFlag: true,
        //   tagFormatter: [
        //     {text: '轮播图', value: 1, type: 'success'},
        //     {text: '广告图', value: 2, type: 'success'},
        //   ]
        // },
        {prop: 'isShow', label: '是否展示', sortable: false, switchFlag: true,},
        {prop: 'orderNo', label: '排序', sortable: false},
        {prop: 'createTime', label: '创建时间', sortable: false},
      ],
      fileList: [],
      // 新增编辑界面数据
      dataForm: {},
      //表单检验规则
      dataFormRules: {
        location: [{required: true, message: '请输入展示位置', trigger: 'blur'}],
        title: [{required: true, message: '请输入标题', trigger: 'blur'}],
        bannerImg: [{required: true, message: '请输入轮播图', trigger: 'blur'}],
      },
    }
  },
  created() {
    this.getList();
  },
  methods: {
    //获取表格数据
    getList() {
      this.listLoading = true
      //【API请求】----获取表格列表数据
      this.$api.getZBannerList(this.pageRequest).then(response => {
        this.tableList = response.data.content
        this.tableTotal = response.data.total
        this.listLoading = false;
      }).catch((res) => {
        this.$message({message: '列表获取失败', type: 'error'})
      })
    },
    //表格数据筛选
    handleFilter() {
        this.pageRequest = {
            pageNum: 1,
            pageSize: 10,
        }
      this.pageRequest.searchParam = this.searchParam
      this.getList()
    },
    //【按钮点击】--- 弹出新增表单
    handleCreate() {
      this.operation = true;
      this.initDataForm();
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
        this.editLoading = false;
      })
    },
    //【按钮点击】--- 弹出编辑表单
    handleUpdate(row) {
      this.operation = false;
      this.dataForm = Object.assign({}, row)
      //显示编辑菜单
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
        this.editLoading = false;
      })
    },
    //保存表单数据
    saveFormData() {
      this.$refs['dataForm'].validate((valid) => {
        if (!valid) {
          return false;
        }
        this.editLoading = true;
        //【API请求】----保存数据
        this.$api.saveZBanner(this.dataForm).then(() => {
          this.editLoading = false;//关闭loading框
          this.dialogFormVisible = false;//关闭表单页面
          this.initDataForm();//重置表单数据
          this.getList();//重新获取表格数据
          this.$notify({title: '成功', message: '保存成功', type: 'success', duration: 2000})
        })
      })
    },
    //【按钮点击】---删除行
    handleDelete(row) {
      this.$confirm('确认删除该记录吗？', '提示', {}).then(() => {
        //【API请求】---- 删除数据
        this.$api.deleteZBanner({ids: row.id}).then(() => {
          this.$message({message: '操作成功', type: 'success'})
            this.pageRequest.pageNum = 1
          this.getList();
        })
      }).catch(() => {
        this.$message({message: '操作失败', type: 'error'})
      });
    },
    //初始化表单数据，重新渲染
    initDataForm() {
      this.dataForm = {
        location: '',
        isShow: '',
        transType: '',
        orderNo: '',
        type: 1,
        transParam: '',
        title: '',
        id: '',
        bannerImg: '',
        bannerImgMobile:'',
      };
    },
    //关闭表单弹出框
    closeDialog() {
      this.$refs['dataForm'].resetFields();
      this.dialogFormVisible = false
    },

  }


}
</script>
